CHEM 210 COMPILED EXAMS ALL FULLY SOLVED|GUARANTEED SUCCESS

Which one of the following is not a redox reaction? Al(OH)4-(aq) + 4H+(aq) ® Al3+(aq) + 4H2O(l) Consider the reaction CuO(s) + H2(g) ® Cu(s) + H2O(l) In this reaction, which substances are the oxidant (oxidizing agent) and reductant (reducing agent), respectively? CuO and H2 When...

If the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in Kilometers per liter? ( 1Km= 0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon) 9.4 Km/L *What is the correct answer to the following expression: (49.1 - 42.61 ) x 13.1? 85 An intens...

sp Hybridization 2 SP + 2 π orbital Linear geometry at carbon sp² Hybridization 3 SP + 1 π orbital Trigonal planar geometry at carbon sp³ Hybridization 4 SP orbitals Tetrahedral geometry Antibonding MOs Destructive interference waves created by high energy electrons i...

What is ground state electron configuration of Co? [Ar]3d^9 [Ar]4s^1 3d^8 [Ar]4s^2 3d^7 [Ar]4s^2 4p^6 4d^1 [Ar]4s^2 3d^7 molybdenum has an anomalous electron configuration. using the shorthand notation for electron configurations, write the electron configuration A) [kr]5s 4d^6 B) [kr]...

matter anything with a mass and takes up space (volume) states of matter solid, liquid, gas solid (s) rigid, hard shape, definite volume liquid (l) fluid, takes shape of container and definite volume (molecules have interactions-intermolecular forces) gas (g) fills u...

What consists of a small, positively charged nucleus surrounded by electrons? an atom What does a nucleus consist of? protons and neutrons Atomic number? the number of protons in the nucleus Mass number? the total number of protons and neutrons in the nucleus Isotopes...

How does Volume Decrease Affect Equilibrium? Equilibrium will shift toward the side with the fewest gas molecules. How does Volume Increase affect Equilibrium? Equilibrium will shift the reaction left How will an increase in temperature affect the equilibrium of a solution with a -de...

E What are the expected H-C-H bond angles in the methyl anion, H3C- ? A)90° B)120° C)109.5° D)180° E)105° D Which of the following hybrid orbitals has the lowest energy? A)sp3 on C B)sp2 on N C)sp2 on O D)sp on O E)sp on C C What is the formal charge on titanium in the co...

Molarity moles of solute/liters of solution mole fraction moles of A/total moles solute + moles solvent mass percentage mass of solute/mass of solution x 100% mass of solution solute+solvent ppm mass of solute/mass of solution x 10^6 ppb mass of solute/mass of solution...

Chemistry Definition Matter, its properties, and its behavior. Filtration Solid substances are separated from liquids and solutions. Distillation Uses differences in boiling points of substances to separate a homogeneous mixture into its components. Chromatography Separates ...

What phase change is taking place if DHsub = 26.1 kJ/mol is being used to calculate the heat involved in the process) 1)Liquid to solid 2) Gas to solid 3) Solid to liquid 4) Liquid to gas 5) Solid to gas 3 Diethyl ether, (CH3CH2)2O , used as a solvent for extraction of organic compoun...

Highest: Nh3 SbH3 AsH3 PH3 The hydrides of group 5A are NH3, PH3, AsH3, and SbH3. Arrange them from highest to lowest boiling point. Dispersion What is the strongest type of intermolecular force present in H2? Co2 Identify the compound that does not have dipole-dipole forces as its ...

If the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in Kilometers per liter? ( 1Km= 0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon) 9.4 Km/L *What is the correct answer to the following expression: (49.1 - 42.61 ) x 13.1? 85 An intens...

Calculate volume 0.2 NaOH and # equivalence points for titration of 25mL 0.1 H3PO4 2 eq points- 0.1M x 0.025L = 0.0025 mol H3PO4 mol H3PO4 = mol added NaOH 0.0025 mol NaOH / 0.2 M = 0.0125 L NaOH added Calculate equivalence point volumes for titration of 25.00 mL of 0.060 M HCl and 0.10 M...